Home / 28,811.66-43,187.90-11,038.16

Finding the Fourth Proportional to 28,811.66, 43,187.90 and 11,038.16

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Solution

The fourth proportional to 28,811.66, 43,187.90 and 11,038.16 is: 16,545.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,811.66 : 43,187.90 = 11,038.16 : x
  2. Step 2: Convert to fraction form
    28,811.66/43,187.90 = 11,038.16/x
  3. Step 3: Cross multiply
    28,811.66x = 43,187.90 × 11,038.16
  4. Step 4: Simplify right side
    28,811.66x = 476,714,950.26
  5. Step 5: Solve for x
    x = 476,714,950.26/28,811.66
  6. Step 6: Final answer
    x = 16,545.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.